Combination lavatory basin and toilet bowl



FIG. 1 is a top view of a combination lavatory basin and toilet bowl showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof. 

The ornamental design for a combination lavatory basin and toilet bowl, as shown. 